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PBS Space Time
The Edge of an Infinite Universe
Season 5
Episode 17
Have you ever asked “what is beyond the edge of the universe?” And have you ever been told that an infinite universe that has no edge? You were told wrong. In a sense. We can define a boundary to an infinite universe, at least mathematically. And it turns out that boundary may be as real or even more real than the universe it contains.
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10:48
Quantum mechanics forbids us from measuring the universe. But we try with this principle.
14:08
We examine all the best-case scenarios for life beyond Earth.
13:11
Einstein gives us a glimmer of hope that time can be warped.
12:35
It may be that for every star in the universe there are billions of black holes.
12:35
Muon G-2 experiment produces the most successful predictions in physics.
12:48
We talk about some real experiments that claim to have demonstrated Zeno's phenomenon.
13:08
The crisis in cosmology has actually gotten worse, which means we may be onto something!
13:24
We explore if there is a true connection between light and gravity.
8:55
We explore that it's the warping of time that causes gravity.
13:54
There's a galaxy-spanning gravitational wave detector that has provided a breakthrough.
13:03
We try to make contact with dark matter particles and enter into the Dark Universe.
12:32
We delve into some of the most famous paradoxes of special relativity.